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SPECIFICTION
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iRedMail vs Zimbra Collaboration

iRedMail

iredmail.org

Zimbra Collaboration

zimbra.com

Side by side

FigureiRedMailZimbra Collaboration
Price from$0.83/mo—
Free plan——
Free trialYesYes
Open source——
WebYesYes
Windows—Yes
macOS—Yes
LinuxYesYes
iOS—Yes
Android—Yes
APIYes—
Self-hostedYesYes
Plans published22
Spec score · Mail Server Software8.3 (#6)7.3 (#29)
AdministrationIts web interface supports domain-level administrators, user self-service, message throttling, and account search.Multi-tenancy and delegated administration let administrators manage distinct organizations and assign granular admin roles.
DeploymentThe Enterprise Edition is an on-premises product that keeps data on the user's own server.Zimbra can be deployed on-premises, in a private cloud, or in regional data centers.
SupportEnterprise Edition pricing includes technical support; general technical questions and issues can also be posted to the online forum.Standard support is business-hours only; Premier adds 24×7 support for Severity-1 issues.

Plans

iRedMail

  • iRedMail Enterprise Edition — per mailbox$10 a year
  • iRedMail Enterprise Edition — per server$1,000 a year

iRedMail pricing →

Zimbra Collaboration

  • ProfessionalPriced on request
  • StandardPriced on request

Zimbra Collaboration pricing →

In their own words

iRedMail

iRedMail has no write-up on Specifiction yet; its figures are above.

Visit iredmail.org

Zimbra Collaboration

Zimbra Collaboration has no write-up on Specifiction yet; its figures are above.

Visit zimbra.com